content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -----------------
   * AxisLocation.java
   * -----------------
   * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   Nick Guenther;
   *
   * Changes:
   * --------
   * 02-May-2003 : Version 1 (DG);
   * 03-Jul-2003 : Added isTopOrBottom() and isLeftOrRight() methods (DG);
   * 13-Aug-2003 : Fixed readResolve() bug (id=788202) (DG);
   * 24-Mar-2004 : Added static getOpposite() method (DG);
   * ------------- JFREECHART 1.0.x ---------------------------------------------
   * 22-Mar-2007 : Added getOpposite() method, suggested by Nick Guenther (DG);
   *
   */
  
  package org.jfree.chart.axis;
  /**
   * Used to indicate the location of an axis on a 2D plot, prior to knowing the
   * orientation of the plot.
   */
  public enum AxisLocation {
  
      /** Axis at the top or left. */
      TOP_OR_LEFT("AxisLocation.TOP_OR_LEFT"),
  
      /** Axis at the top or right. */
      TOP_OR_RIGHT("AxisLocation.TOP_OR_RIGHT"),
  
      /** Axis at the bottom or left. */
      BOTTOM_OR_LEFT("AxisLocation.BOTTOM_OR_LEFT"),
  
      /** Axis at the bottom or right. */
      BOTTOM_OR_RIGHT("AxisLocation.BOTTOM_OR_RIGHT");
  
      /** The name. */
      private String name;
  
      /**
       * Private constructor.
       *
       * @param name  the name.
       */
      private AxisLocation(String name) {
          this.name = name;
      }
  
      /**
       * Returns the location that is opposite to this location.
       *
       * @return The opposite location.
       *
       * @since 1.0.5
       */
      public AxisLocation getOpposite() {
          return getOpposite(this);
      }
  
      /**
       * Returns a string representing the object.
       *
       * @return The string.
       */
      @Override
      public String toString() {
          return this.name;
      }
  
      /**
       * Returns the location that is opposite to the supplied location.
       *
       * @param location  the location (<code>null</code> not permitted).
       *
       * @return The opposite location.
       */
      public static AxisLocation getOpposite(AxisLocation location) {
          if (location == null) {
              throw new IllegalArgumentException("Null 'location' argument.");
          }
          AxisLocation result;
          if (location == AxisLocation.TOP_OR_LEFT) {
              result = AxisLocation.BOTTOM_OR_RIGHT;
          }
          else if (location == AxisLocation.TOP_OR_RIGHT) {
              result = AxisLocation.BOTTOM_OR_LEFT;
          }
          else if (location == AxisLocation.BOTTOM_OR_LEFT) {
              result = AxisLocation.TOP_OR_RIGHT;
          }
          else if (location == AxisLocation.BOTTOM_OR_RIGHT) {
              result = AxisLocation.TOP_OR_LEFT;
          }
          else {
              throw new IllegalStateException("AxisLocation not recognised.");
          }
          return result;
      }
  
  }
  